From the boardroom to the classroom, the big screen to the small, these guys are at the top of their game. They’ve conquered mountains – both literally and figuratively.

They’re record breakers, superheroes, and regular Joes. And that hard work, drive, sweat and discipline is just a tiny part of what keeps them among the worlds fittest.

AND THE HONORS GO TO:

Chris Evans, The Action Hero, 30

Evans starred as Marvel Comic Superhero, Captain America. Evans took the role seriously, working with a personal trainer to build bigger biceps and tone his abs, transforming his body into the jacked frame of Marvel Comic’s super soldier.

Alex O’Loughlin, The Five-O, 34

The Australian-born actor is the star of TV’s hit Hawaii Five-O remake. Thanks to interval training, boxing and surfing, O’Loughlin is able maintain a six-pack, to keep up with his Navy SEAL role. He also admits to drinking a gallon and a half of water daily, sticking to a low-sodium diet.

Jordy Smith, The Wave Rider, 24

At 6’2″ and nearly 190 pounds, the South African native is the biggest, tallest guy in the World Surf Tour. Smith is a pioneering new-school surfer, boosting huge aerial tricks high above the lip of the wave. He runs outdoors and hits the gym for spinning, skipping rope, lifting and stretching.

The Irish actor reinvented his career, starring in a slew of action flicks. Neelson credits his background as an amateur boxer for his ability to take on these physically demanding parts: “There’s a discipline to getting up at 6, working 17 hours, and then coming home to work out,” he says. While Neeson uses a stunt double on set, he handles all of his own fighting.

LeBron James, The MVP, 26

Unlike most other NBA pros, the older this all-star gets, the more strength he gains. The 6’8″, 250-pound baller is nearly unguardable, capable of playing point guard or down low on the block. Heat strength coach says “LeBron’s a beast in the gym.”

Steven Stamkos, The Phenom, 21

The NHL’s top goal scorer endured a grueling summer-training program under former all-star Gary Roberts. The young Tampa Bay center worked out six days a week, focusing on building core and lower-body strength. On “off days” he performed intense interval training.

Nick Ferroni, The Educator, 32

Every year Men’s Fitness reserves a spot on the MF 25 for its readers. This year a New Jersey history teacher landed the coveted slot. A former actor, Ferroni gave up his dreams of the spotlight to pursue teaching. He gets up everyday at 5am to do high-intensity cardio, abs and lifting. After school, he trains a handful of students at a local gym.

Joel McHale, The Wiseguy, 39

He’s either the funniest fit guy in Hollywood or the fittest funny guy. McHale bangs out hundreds of pushups a day, mostly in his trailer between takes. He avoids sugar and carbs whenever possible, snacks on almonds and hard-boiled eggs throughout the day, and has fish and veggies for dinner.

Michael Fassbender, The Next Big Thing, 34

Fassbender appeared in 300 and Tarantino’s Inglorious Basterds. The Irish-German actor will surely be a household name after this summer’s X-Men: First Class prequel where he plays a young Magneto.

Danny Macaskill, The Daredevil, 25

MacAskill spends three hours a day on his bike training with cross-country mountain biking and hill running in the Scottish countryside. His other big performance secret: haggis for breakfast every day.

Lorenzo Fertitta, The Entrepreneur, 42

He may be a billionaire casino owner and UFC co-owner, but for Lorenzo Fertitta, fitness comes before business. His training runs two hours a day, six days a week and combines Muay Thai, jiu-jitsu and traditional weightlifting.

Joe Manganiello, The Werewolf, 34

True Blood’s vamps pale in comparison to the 240 pound Manganiello who plays werewolf, Alcide. To stay in howlingly good shape, he eats several small meals a day and works out six days a week with an emphasis on staying cut and lean.

Bradley Cooper, The Leading Man, 36

For his role in the The A-Team, celeb trainer Ramona Braganza crafted Cooper a regimen combining strength training, cardio and core-building exercises in an hour long workout. Cooper also adhered to a strict diet of no salt, sugar and a ton of boiled chicken.

Kellan Lutz, The Greek God, 26

For his role in the Twilight flicks, Lutz endured six weeks of jiu-jitsu, kung fu and boxing. This fall, he’ll be showing off his godlike physique as Poseidon in Immortals. He relies on body-weight circuits, hiking, swimming and eating small meals throughout the day to maintain his hard core.

Greg Hill, The Adventurer, 35

Last year, Hill skied 2 million feet in a single season, averaging more than 7,500 feet of skiing over 266 days, climbing 71 different summits and making a total of 1,039 runs. Despite the physical challenge, he says it’s the mental fitness that made it all possible.

David Beckham, The Fit Footballer, 36

Last year Beckham tore his Achilles tendon but now he’s back to training as usual. Beckham’s workouts focus on his core and hips, doing a lot of resisted movement band work and single stability exercises

Jason Momoa, The Barbarian, 31

Momoa starred as the new Conan the Barbarian, packing on 10 pounds of muscle for the role. He spent six hours daily in martial arts and swordplay training.

Chris Pine, The Captain, 30

Pine needed to keep up with his career as Captain Kirk in the Star Trek franchise revival; he says he enjoys working out, boxing and playing basketball. Pine has also been tapped to be the new Jack Ryan in the latest Tom Clancy caper.

Tim Kennedy, The Warrior 31

A Green Beret, Army Ranger, sniper and veteran of more than 200 fire-fights, Kennedy is one of the only fighters to simultaneously serve in the Army. He’s also a professional mixed martial artist with a 13-3 record in Strikeforce’s ultra-competitive 185-pound weight class.

Dr. Dre, The Hip-Hop Pioneer, 46

Dr. Dre has spent the past few years hitting the weights as hard as he beats. His physical transformation is to be lauded – the will to pull it off at an age when most men are looking at their best years in the rearview mirror is nothing short of inspirational.

Jeremy Renner, The Contender, 40

The California native flexed his acting muscle in The Hurt Locker and The Town; next he’ll star in the upcoming Mission: Impossible sequel, Ghost Protocol. To prep for the role, Renner trains hard in the gym while developing a lethal arsenal of fighting techniques.

Clay Matthews, The QB Killer, 25

Once a skinny walk-on at USC, Matthews has since packed on 55 pounds of muscle onto his 6’3″ frame, thanks to MMA-style training with Randy Couture.

Derek Poundstone, The Strongman, 29

Derek Poundstone isn’t just one of MF’s fittest guys; he’s also the strongest man in the U.S., with two Arnold Strongman Classic wins to show for it.

Chip Wade, The Carpenter, 28

As contractor on two HGTV shows (Curb Appeal: The Block and Designed to Sell), Wade trains five to six days a week even while he’s on the road. Wade always packs his protein powder and a shaker cup as well as assorted multivitamin packs.